c# socket

-
//Socket基本编程

//服务端：

using System.Net;

using System.Net.Sockets;

using System.Text;

using System.Threading;

 

Thread mythread ;

Socket socket;

// 清理所有正在使用的资源。

protected override void Dispose( bool disposing )

{

try

　 { 　　

　　 socket.Close();//释放资源

　　 mythread.Abort ( ) ;//中止线程

　 }

　 catch{ }

 

if( disposing )

{

if (components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

public static IPAddress GetServerIP()

{

IPHostEntry ieh=Dns.GetHostByName(Dns.GetHostName());

return ieh.AddressList[0];

}

private void BeginListen()

{

IPAddress ServerIp=GetServerIP();

IPEndPoint iep=new IPEndPoint(ServerIp,8000);

socket=new Socket(AddressFamily.InterNetwork,SocketType.Stream,ProtocolType.Tcp);

 

byte[] byteMessage=new byte[100];

this.label1.Text=iep.ToString();

socket.Bind(iep);

// do

while(true)

{

try

{

socket.Listen(5);

Socket newSocket=socket.Accept();

newSocket.Receive(byteMessage);

 

string sTime = DateTime.Now.ToShortTimeString ( ) ;

string msg=sTime+":"+"Message from:";

msg+=newSocket.RemoteEndPoint.ToString()+Encoding.Default.GetString(byteMessage);

this.listBox1.Items.Add(msg);

 

}

catch(SocketException ex)

{

this.label1.Text+=ex.ToString();

}

}

// while(byteMessage!=null);

}

//开始监听

private void button1_Click(object sender, System.EventArgs e)

{

try

{

mythread = new Thread(new ThreadStart(BeginListen));

mythread.Start();

 

}

catch(System.Exception er)

{

MessageBox.Show(er.Message,"完成",MessageBoxButtons.OK,MessageBoxIcon.Stop);

}

}